/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-navy: #0a1628;
    --navy-blue: #1a2f4a;
    --bright-blue: #3b82f6;
    --bright-blue-hover: #2563eb;
    --orange-red: #f97316;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --text-dark: #1a1a1a;
    --text-light: #e5e7eb;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

.btn-nav {
    background: var(--bright-blue);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--bright-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Advertising Badge */
.ad-badge {
    position: fixed;
    top: 70px;
    right: 20px;
    background: var(--orange-red);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.4);
}

/* Compliance Disclaimer */
.compliance-disclaimer {
    margin-top: 80px;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 20px;
    margin-bottom: 20px;
}

.compliance-disclaimer p {
    color: #856404;
    font-size: 14px;
    line-height: 1.6;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--navy-blue) 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: var(--white);
}

.discount-badge {
    display: inline-block;
    background: var(--orange-red);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-subline {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--white);
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.7;
}

.price-block {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.old-price {
    font-size: 24px;
    color: var(--text-light);
    text-decoration: line-through;
    opacity: 0.7;
}

.new-price {
    font-size: 42px;
    font-weight: 800;
    color: var(--bright-blue);
}

.btn-primary {
    display: inline-block;
    background: var(--bright-blue);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--bright-blue-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-large {
    padding: 20px 50px;
    font-size: 20px;
    width: 100%;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-mockup {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 3px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.product-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--bright-blue-hover);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

.lifestyle-image {
    margin-top: 60px;
    text-align: center;
}

.lifestyle-img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: var(--border-radius);
    margin: 0 auto;
    display: block;
    box-shadow: var(--shadow-medium);
    border: 3px solid var(--bright-blue);
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: var(--light-gray);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.use-case-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.use-case-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.use-case-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--navy-blue) 100%);
    color: var(--white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.benefits-image {
    display: flex;
    justify-content: center;
}

.benefits-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius);
    display: block;
    border: 3px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.benefits-list .section-title {
    color: var(--white);
    text-align: left;
    margin-bottom: 40px;
}

.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    font-size: 18px;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bright-blue);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.benefits-note {
    margin-top: 30px;
    font-size: 14px;
    opacity: 0.8;
    font-style: italic;
}

/* How-to Section */
.how-to {
    padding: 100px 0;
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.step-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--bright-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.step-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.usage-warning {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 20px;
    border-radius: 8px;
    margin-top: 40px;
}

.usage-warning p {
    color: #856404;
    font-size: 15px;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.testimonial-text {
    font-size: 18px;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-author {
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

.testimonials-disclaimer {
    text-align: center;
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* Order Section */
.order {
    padding: 100px 0;
    background: var(--white);
}

.order-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.order-info {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--navy-blue) 100%);
    padding: 40px;
    border-radius: var(--border-radius);
    color: var(--white);
}

.price-block-large {
    margin-bottom: 30px;
}

.price-block-large .old-price {
    display: block;
    font-size: 20px;
    text-decoration: line-through;
    opacity: 0.7;
    margin-bottom: 10px;
}

.price-block-large .new-price {
    font-size: 48px;
    font-weight: 800;
    color: var(--bright-blue);
}

.order-features {
    list-style: none;
}

.order-features p {
    font-size: 16px;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.order-features p::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--bright-blue);
    font-weight: 700;
}

.order-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--bright-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-note {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.form-note a {
    color: var(--bright-blue);
    text-decoration: none;
}

.form-note a:hover {
    text-decoration: underline;
}

.order-simple {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.order-note {
    margin-top: 30px;
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--light-gray);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    border: 3px solid var(--bright-blue);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--light-gray);
}

.faq-icon {
    font-size: 24px;
    color: var(--bright-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: #666;
    line-height: 1.7;
}

.faq-answer a {
    color: var(--bright-blue);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: var(--text-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    margin-bottom: 10px;
    font-size: 15px;
    opacity: 0.9;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--bright-blue);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
}

.footer-ad-label {
    background: var(--orange-red);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 42px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-content {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .order-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 32px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .ad-badge {
        position: relative;
        top: 0;
        right: 0;
        display: block;
        text-align: center;
        margin: 10px 20px;
    }

    .compliance-disclaimer {
        margin-top: 60px;
    }
}
